In earlier life he had been a zealous student of Kant and Hegel, and to the end he never ceased to cultivate the philosophic spirit; but he had little confidence in metaphysical systems, and sought rather to translate philosophy into the wisdom of life.
In 1890 appeared The Development of Theology since Kant, and its Progress in Great Britain since 1825, which was written for publication in England.
But the Cartesian theory, like the later speculations of Kant and Laplace, proposes to give a hypothetical explanation of the circumstances and motions which in the normal course of things led to the state of things required by the law of attraction.
It is important to notice that Baumgarten's first work preceded those of Burke, Diderot, and P. Andre, and that Kant had a great admiration for him.
Kant described it as "an irrefutable book."